My thought was to chop the back half of the seat off and make a solo seat out of it. Not sure if that is feasible...

Do-able-- I did just that to a Mustang bucket seat last year and it worked well (but the seat was deteriorating from old-age and I ended up getting a Bill Mayer rebuild on it last May). The solo bucket seat was a good test-run. Start that "seat mod" thread and I'll chime in. The tricky part was doing the "patch" across the rear of the solo seat.

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'73 R60/5 ToasterLuddite. Not just a philosophy, a way of life...